Authors - Writers Expert Witnesses: 37

Tony Mason has 34 years of experience helping attorneys solve complex Computer Operating System issues. His experience includes software development, teaching and writing about technology, and working with dozens of companies in a consulting role to solve their problems. 

Mr.  Mason has worked with multiple operating systems including Microsoft Windows, UNIX, and Linux. He is the author of two books, including, Windows NT Device Driver Development, several peer-reviewed papers, and numerous non-peer-reviewed publications. 

Mr. Mason is the primary inventor on 12 patents:

Litigation Support - Mr. Mason has gained extensive experience clearly explaining technical subjects so they are easily understood by non-experts. His expert witness services primarily focus on assisting in the preparation of materials necessary for computer operating systems patent litigation. He provides research, prepares reports, and explains technical terms clearly and lucidly. He is available for depositions and trial testimony as needed.

Areas of Expertise:

View Mr. Tony Mason's Consulting Profile.

Brent Coker, PhD, is an Online Consumer Psychologist. With a PhD in Electronic Commerce (“Predicting Internet Purchase Intention”), Dr. Coker's research focusses on consumer behavior within the realm of psychology, digital business models, and marketing. He currently teaches Digital Marketing and Digital Business Models at the University of Melbourne.

Dr Coker prepares scientific reports pertaining to consumer behavior, branding, and Digital Marketing and technology related topics, based on scientific findings published in academic peer reviewed journals, and other third party relevant research. Any opinions expressed by Dr Coker are supported by peer reviewed academic research, established academic theory, industry standards, and other relevant logical evidence. 

Dr. Coker’s award winning research into digital marketing and consumer behavior has been published in top peer reviewed academic journals, beginning in 2004 when his research into the integration of the internet into business models won Best Paper Award at the 15th Australasian Conference on Information Systems (ACIS). In the late 1990s, Dr. Coker had a dot-com (fernland.com), and he is currently director of Deloosh Pty Ltd.., inventor of the web analytics tool Webreep., and author of the book Going Viral, and advisor to Wear Cape, Influencer Marketing Agency

 Dr. Coker is available for expert witness work, consultation, and advisement in Australia and internationally.

Areas of Expertise:

View Dr. Brent Coker's Consulting Profile.

Emanuel Kapelsohn is an internationally recognized Firearms Training and Use of Force consultant who has instructed thousands of police and security officers, federal agents and others throughout the U.S. and abroad since 1980. A graduate of Yale University and Harvard Law School, he is a practicing attorney in addition to his consulting work. 

As vice president of the Internat’l Assoc. of Law Enforcement Firearms Instructors, Mr. Kapelsohn is a certified in force science and shooting scene reconstruction, and as an instructor in numerous law enforcement disciplines. He is a featured presenter at national and international instructor conferences. He has authored over 130 published articles, is Associate Editor of "Standards & Practices Guide for Law Enforcement Firearms Instructors," and principal author of "Firearms Training Standards for Law Enforcement Personnel," and "Guidelines for Simulation Training Safety." 

Mr. Kapelsohn testifies as an expert witness in civil and criminal cases in state and federal courts nationwide, and has testified by invitation before both houses of Congress. 

Testimony on the Following Subjects:

View Emanuel Kapelsohn's Consulting Profile.

Susan Maccoy is an actively practicing Cosmetologist and experienced Expert Witness on Beauty Salon and Spa Products, Processes, Procedures, Policies and Standards. With over 45 years of experience, Ms. Maccoy combines an extensive background and foundation of knowledge in cosmetology and salon business and operations with critical and analytical thinking to provide solid, informed support for litigation. She was a salon owner and has been a manager of independent and franchise chain salons. She holds current cosmetology licenses in Illinois and Florida. Ms. Maccoy has assisted the legal profession on issues related to the cosmetology, beauty salon, and spa industries for over 35 years. Her expertise and professional experience encompass the full range of cosmetology products, services, techniques, and salon management. Ms. Maccoy also provides valuable insight for cases involving consumer and employee personal injury, product liability, professional liability including salon/spa customer injury,and allegations of discrimination in the salon and spa. To date,(2022) Ms. Maccoy has been retained by the defendant in approximately 30% of her engagements and by the plaintiff in 70%. In 2011, her investigative work and expert opinions were instrumental in obtaining dismissals with prejudice in two actions, one in state court and one federal. Zoom Conferencing   Available.Areas of Expertise:

• Salon Policies and Procedures
• Cosmetology Standards of Care, Processes, Procedures, Timelines, Workflow Protocols
• Salon / Spa Incidents and Injuries
• Salon / Spa Incident Investigation and Re-Creation - Chemical Formulations and Usage
• Salon Contractual Agreements - Employment, Rental, Salon Rental / Sale, Independent Contractor / Booth Rental
• Certified in Milady Salon Infection Protocols 2020
• Certified Covid 19 Protocols for Salons and Spas 2020 (Barbicide)

In her book, Down the Shampoo Bowl - The ABC's of Hair Salon Management, Ms. Maccoy explains the management and financial side of the beauty business and how to motivate employees, handle difficult clients, and promote business and services through traditional channels and social media. View Consulting Profile.

CPA, CFE, CPEA, CFF with 35 years of experience as a financial damages, accounting, royalties, licensing, valuation expert.  Calculations in intellectual property (copyright infringement, trademark infringement, patent infringement, DMCA, trade secrets), breach of contract, reasonable royalties, wrongful termination, personal injury, consumer product liability & royalty audits.  2017 California CPA of the Year & 2012 Certified Fraud Examiner of the Year. 

Expert in unjust enrichment & lost profits. Sample Industries: pharmaceuticals, medical devices, music, film, construction, machinery, security, toys, software, hardware, media, entertainment, energy, security, personal injury, partnerships, apparel & consumer products. Real world experience as Chief Audit Officer of Beats, KPMG Partner, and at Occidental Petroleum, Unocal, and Disney. While at Ernst & Young and KPMG, led national fraud and royalty auditing. Vice Chair ('16-'17) Board of Regents of the 80,000+ member Association of Certified Fraud Examiners. More than 3,000 forensic accounting contract investigations. 

Mr. Blum has extensive experience working on economic damages in both simple and multi-billion dollar complex litigations. With over 150 matters as an expert witness, his damage calculations have consistently been accepted in court, even in cases involving settlements up to $1 billion. His reports have been recognized as best examples by judges for their thoroughness and clarity. Mr. Blum has represented a broad range of clients, including leading law firms and major corporations across various industries. Some clients include:

Microsoft, Dolby, Sony, Paramount Pictures, Mattel, Warner Bros., McDonald’s, Shark Tank, WWE, Steven Spielberg, Tom Hanks, Amgen, GM, Sears, IGT, IMG, Tessera, Philips, Diageo, Harley-Davidson, DKNY, Chrysler, Ross, UMB Bank, Bank of America, Everlast, Fate Therapeutics, Medtronic.

Areas of Expertise:

View Sidney Blum's Consulting Profile.

As a highly professional & credible Expert, Consultant, & Speaker, Jean Seawright has provided trusted advice & HR Consultation to thousands of organizations nationwide. As president of Seawright & Associates, a Human Resource Management-Consulting Firm, Ms. Seawright is widely respected for her knowledge of state & federal employment regulations including, but not limited to FLSA, ADA, FMLA, Title VII, & others.

Since 1987, she has focused on engagements involving hiring, coaching, & terminating employees; regulatory compliance; charges of discrimination; performance management systems; internal investigations (including harassment); employee handbook development; compensation plan design; HR audits; hiring systems; job descriptions; & others. Ms. Seawright is a frequent speaker at state & national trade associations & is the author of numerous articles & publications in the field of human resources, including the popular book, The Employment Genie®, an exclusive hiring, coaching, & termination system for businesses. 

Areas of Expertise:

• Negligent Hiring and Retention
• Discrimination and EEO Compliance
• HR Policies and Programs
• FLSA and Wage and Hour Compliance
• Harassment
• Expert Witness Services for Employment Law Matters
• ADA
• FMLA
• Hiring Procedures
• Title VII
• Employee Handbooks

Ms. Seawright is available for case analysis, case theory evaluation, expert witness reports, depositions, analysis of other expert testimony, and trial testimony.

Timothy A. Dimoff, CPP, founder and president of SACS Consulting & Investigative Services, Inc. a leading security consulting firm, has over 40 years of experience in Law Enforcement and Security matters for both the public and private sectors. He is multi-certified in the security field and is considered one of the nation's leading authorities on negligent security procedures; security & vulnerability issues; police procedures and operations including use of force; high-risk workplace and human resource issues; narcotics investigations and enforcement. 

Mr. Dimoff is board certified by ASIS as a Certified Protection Professional (CPP?) which is internationally recognized as the “gold standard” certification for security management professionals, demonstrating their knowledge and competency in seven key domains of security.

Litigation Support - Mr. Dimoff has over 20 years of experience in testifying and consulting as an expert witness in over 500 cases and trials for both the plaintiff and the defense sides. His expert witness experience includes law enforcement procedures, security negligence of business or physical premises, human resources issues, meeting standards of practice in hiring and termination, employment practices, proper documentation, training, supervision, policies and procedures, harassment, discrimination, internal investigations, threats and excessive use of force.

Mr. Dimoff is a renowned speaker, trainer, and author who has offered expert commentary to national media including Dateline, NBC, CNN, The Chicago Tribune, The New York Times, The LA Times, The Washington Post, and The Wall Street Journal.  He is the author of four books, including How to Recognize Substance Abuse, The YOU in Business, and Life Rage, a chilling examination of societal rage and safeguards against it.

Mr. Dimoff holds a Bachelor of Science Degree in Sociology with an emphasis in Criminology from Denison University.

Areas of Expertise: 

View Timoth A. Dimoff's Consulting Profile.

COMPANY DESCRIPTION:

• Expert Witness - Medical malpractice, misadministration, medical event (Radiation Oncology, Radiology, Nuclear Medicine)
• Expert Witness - Radiation exposure, radiation dose, radioactivity and radiobiological calculations
• Expert Witness – Patent infringement (intellectual property all categories)
• Expert Witness – Medical physics, supervision of (medical physicist, dosimetrist, radiation therapist, radiologic technologist)
• Expert Witness - Termination of employment

Michael S. Gossman, M.S., DABR, FAAPM, is a Board Certified Qualified Expert Medical Physicist, an honorary Fellow of the American Association of Physicists in Medicine (AAPM), and the Chief Medical Physicist & Radiation Safety Officer (RSO) in Radiation Oncology at a clinic in Indiana. Chief Gossman is directly and ultimately responsible for all technical and scientific aspects of cancer treatment. He directly supervises and oversees efforts from staff medical physicists, dosimetrists, radiation therapists and x-ray technologists.

Chief Gossman is the highest-ranking scientist in medicine and has been in the field for 24 years. Chief Gossman's expertise involves the safe, effective and precise delivery of radiation to achieve the therapeutic result prescribed in patient care by radiation oncologists striving to treat cancer patients with particle accelerators and radioactive material. 

Extra-professionally, Chief Gossman is retired as the Interim Editor-in-Chief and Editorial Board Member for the Medical Dosimetry Journal, Editorial Board Member for the Journal of Applied Clinical Medical Physics, served four years as a Medical Consultant to the U.S. Nuclear Regulatory Commission and was a veteran Accreditation Site Reviewer for both the American College of Radiology (ACR) and the American College of Radiation Oncology (ACRO). He was a 2-term Ohio River Valley Chapter President of the AAPM, and was also formerly a Graduate School Professor of Clinical Medical Physics at Wright State University.

As an expert in radiation safety, dosimetry, detector measurements, particle accelerator and radioactive material calibrations, and radioactive material handling, Chief Gossman is a highly respected medical physicist by medical physicists nationally. He is also the owner of Regulation Directive Medical Physics, which he created as a consulting company, providing services for medical physics, dosimetry, medical device testing, and expert witness efforts.

Services Provided:

• Medical expert witness
• Medical consultant
• Legal consultant
• Review of: medical event, malpractice, and misadministration
• Regulatory compliance
• Investigation and audits
• Independent medical evaluation of the probable deterministic effects of radiation exposures
• Facility practice vs. standards review
• Accreditation preparation
• Shielding calculations
• Accelerator acceptance testing & commissioning
• Quality assurance
• Peer review of the Chief Medical Physicist
• Radiation measurements
• Radiation calculations
• Radiation safety
• Dose determination
• Dosimetry
• Calibration of medical accelerators
• Treatment planning
• Calculation of time and dose for treatment
• Handling, shipping, receiving, and storing radioactive material
• Calibrating radioactive material
• Regulatory compliance
• Interpretation of bioassay results and other data related to radiation exposure
• Calculation of internal and external radiation doses, as necessary

Ray S. Kim, Ph.D., is a Licensed Clinical Psychologist and Board Certified Forensic Psychologist. Dr. Kim is also a Board Registered Mental Illness / Substance Abuse Provider, Diplomate of the American Psychotherapy Association, Diplomate of the American Board of Psychological Specialties, Fellow of the American College of Forensic Examiners Institute, and Fellow of the American College of Advanced Practice Psychologists. 

Dr. Kim is currently the Director of Chicago Metropolitan Forensic Services at the Illinois Department of Human Services where he supervises a team of clinical psychologists and social workers who evaluate the placement of individuals into forensic facilities. He also serves as the Director of Clinical Training at Chicago Metropolitan Forensic Services where he developed and supervises a forensic practicum program which provides opportunities for specialized clinical training in the area of forensic psychology. 

Litigation Support - Dr. Kim has testified in over 50 cases in both criminal and civil court proceedings. He is sensitive to the nature of legal matters, and provides comprehensive, timely, and professional services. Dr. Kim's services are available to attorneys or defendants seeking a qualified evaluator to help support a case, or wishing to obtain a second opinion on a legal matter already in progress. He is skilled in utilizing the field of psychology's most up-to-date assessments to provide recommendations for prosecution or defense teams. 

Areas of Expertise:

• Psychological Evaluations
• Pre-Sentence Evaluations
• Sex Offender Evaluations
• Violence Risk Assessments
• Competency to Waive Miranda Rights
• Diminished Capacity
• Fitness for Duty Evaluations
• Substance Abuse Assessments
• Independent Medical Examinations (personal injury, workers' compensation, disability determination, malpractice)
• Detection of Malingering
• Federal Evaluations (competency to stand trial, criminal responsibility)

View Dr. Kim's Consulting Profile.

Mike Wakshull is a civil and criminal court-qualified document examiner who partners with legal clients to dissect the evidence presented in handwritten and computer-generated questioned documents. His valid approach often produces winning arguments during the trial. Wakshull applies his scientific training to examine questioned documents which is a court requirement. He uses generally accepted practices such as SWGDOC and ANSI/ASB standards. His laboratory is well-equipped with high powered digital microscopes, VSC80, ESDA, high quality digital scanners, and software. He has built a large forensic reference library. Wakshull is skilled at creating and explaining complex exhibits in easy-to-understand language and pictures. His courtroom approach is to teach and engage the trial participants—opposing attorney, judge and jury.

Mike Wakshull holds a graduate school certificate in Forensic Document Examination. Since 2010 Mr. Wakshull has worked and studied in the science and discipline of Document Examination and Handwriting Analysis. He is one of only a handful of forensic document examiners with graduate school training in the science of forensic document examination. His opinion is always based on sound fundamentals of evidence. Mr. Wakshull has spoken at International and local conferences and seminars and also holds professional certifications that bring unique skills to your case. As a Certified Quality Engineer, Mr. Wakshull studied the science of variability and applied this to the analysis of handwriting and documents. As a Certified Information Systems Auditor, he applies his knowledge of information systems and technology to the analysis of documents.

Q9 Consulting, Inc. Has both an extensive research library and laboratory. Q9 Consulting, Inc. serves Southern California counties of Riverside, San Diego, Orange, San Bernardino, and surrounding regions. Mike has worked cases from 29 states and five countries. Work is accepted from all other locations.

Areas of Expertise:

View Mike Wakshull's Consulting Profile.

Dr. Kanellakopoulos is a technology leader with 25+ years of experience in R&D and engineering management in both academia (former UCLA Professor of Electrical Engineering) and industry, and a seasoned expert witness with a perfect success record.

He has designed and built telecom products such as DSL and Carrier Ethernet hardware and software, as well as a prototype fully automated electric vehicle. He has conducted applied research in adaptive control of nonlinear systems, with applications to automotive driver assistance systems (adaptive cruise control, blind-spot monitoring, vehicle collision avoidance) and active suspensions. He has significant experience with international telecommunication standards (ITU-T SG15/Q4), and has directed collaborative projects with several automotive/truck manufacturers and vendors (Ford, Mercedes-Benz, DaimlerChrysler, Freightliner, Gentex, Visteon).

He has significant experience as an expert witness in patent infringement (including IPR) and product liability cases in the automotive and telecommunication areas; the vast majority of his cases have resulted in a win or a very favorable settlement for his clients. In 2017, he was the lead expert witness in a product liability case against Nissan that resulted in a $25M jury award for his clients; this decision was later upheld on appeal. His deep technical expertise allows him to analyze patents and products in detail, and explain clearly (in expert reports, depositions, and court testimony) the main issues that the judge and jury need to internalize in order to comprehend the essence of the case.  His extensive educational experience allows him to help judges and jurors understand the topic they are dealing with, instead of confusing them with unnecessary technical details.

After all, it takes excellent teaching skills and a deep understanding of a complex technical concept to convey the essence of that concept to non-experts without talking down to them.

View Dr. Kanellakopoulos's Consulting Profile.

Kent C. Sasse, MD, MPH, FACS, FASCRS, FASMBS, is a Bariatric surgery thought leader.  Performed over 5,000 primary bariatric surgical procedures and 500 revisional bariatric procedures. Medical Director of nationally accredited bariatric surgery center. Award-winning teacher. Widely published scientist. Author of the nine books. Inventor and patent holder of bariatric surgical device. 

Clinical Experience includes: bariatric surgery and endoscopy, sleeve gastrectomy, gastric bypass, duodenal switch, reoperative surgery, revisional surgery, hiatal hernia, wound care, Barrett's esophagus, hernia mesh, hernia mesh explantation, endoscopic stenting, leaks, Ambulatory Surgery Centers, and solving complications. Prolific public speaker. University of Nevada School of Medicine faculty. Experienced expert witness at both deposition and trial. www.SasseSurgical.com/books. 

Litigation Support - Dr. Sasse has served as a medico-legal consultant to attorneys involved in complex litigation. He has provided extensive expert reviews of complex cases for the State of Nevada, for independent insurance and disability carriers, and for the United States Air Force. He brings to each and every case a level of experience and unparalleled dedication to preparation, excellent service, and insightful review. His expert testimony has proven highly valuable , serving both defense and plaintiff to reach the truth. 

Dr. Sasse is a sought after speaker and an experienced trial witness, having logged many hours on the witness stand in highly charged cases. He brings a commitment to objectivity and thoroughness to each and every case. 

Areas of Expertise:

View Dr. Sasse's Consulting Profile.

Dr. Robert Evans, PhD,  is a Licensed School Psychologist with over 30 years of experience in the behavioral sciences, including completing over 100 Child Custody Evaluations. Dr. Evans serves as a consultant to the medical, legal, and law enforcement community in Florida on Psychological and Educational matters. He consulted with Orange County Public Defender with cases involving arrest and incarceration of children, including Competency Assessments and Insanity Determinations. He has also provided Critical Incident Stress Debriefings to victims of crime in the Central Florida area. 

Litigation Support - Dr. Evans specializes in Parental Alienation cases which are commonly among those classified as High Conflict Divorce cases and he has written a book on Parental Alienation. He provides litigation support to counsel for both Plaintiff and Defense. His services include support with hearing / trial preparations, review of current evaluations, and support during and after the litigation process. 

Dr. Evans has given sworn testimony as a Forensic Psychology expert witness in NY, IL, PA, GA, FL, IA, ID, CO, OH, TX, TN, LA, MA, MD, MO, NC, SC, WA, and OR. 

Areas of Expertise:

• Parental Alienation
• Child Custody Evaluations
• False Allegations of Abuse
• Treatment Considerations for Alienated Children

Mitchell L. Lathrop, has over 50 years of experience in the practice of law, and specialized knowledge in Insurance, Reinsurance, and Lawyers' Professional Responsibility. For the past 30 years, Mr. Lathrop has served as a Mediator, Arbitrator and Expert Witness in his fields of expertise. A seasoned trial lawyer, he brings his many years of practice to alternative dispute resolution. 

Mr. Lathrop is admitted to practice in California, New York and the District of Columbia, as well as before the U.S. Supreme Court and the U.S. Courts of Appeals for the Second, Fifth, Ninth, Tenth, District of Columbia and Federal Circuits. Mr. Lathrop is a former Presiding Referee of the California State Bar Court. He serves on the National Panel of the American Arbitration Association and is a Distinguished Neutral of the International Institute for Conflict Prevention and Resolution (CPR), as well as a member of the London Court of International Arbitration. He is the author of "Insurance Coverage for Environmental Claims," published by Lexis-Nexis Matthew Bender. He has qualified as an expert in insurance and legal malpractice in both state and federal courts. 

Areas of Expertise:

• Insurance bad faith and standard of care and conduct
• Reinsurance Law - Property and Casualty insurance
• Treaty and Facultative Reinsurance
• Environmental Insurance
• Complex insurance coverage Issues
• Lawyers' Professional Responsibility

Bankole A. Johnson, DSc, MD, MBChB, MPhil, FRCPsych, DFAPA, Dip-ABAM, Dip-ABDA, FACFEI, is a leading Neuroscientist and respected global authority in both Psychiatry and Neuroscience. His considerable education and expertise date to the 1970s, when he received his first general studies diploma.

Dr. Johnson earned his Medicinae Baccalaureum et Chirurgiae Baccalaureum (an M.D. equivalent) from the University of Glasgow in Scotland. He also received his UK Board Certification in Psychiatry from the Royal College of Psychiatrists, his Master of Philosophy in Neuropsychiatry at the University of London, and his Doctorate in Medicine from the University of Glasgow (coursework at the University of Oxford). He also received a Doctor of Science from the University of Glasgow, the highest doctoral degree a British university can award.

In addition to these qualifications, Dr. Johnson has also received United States certifications from the American College of Forensic Examiners Institute, the American Board of Psychiatry and Neurology, and the American Board of Addiction Medicine. 

Video Introduction: Neuroscience Expert Witness Dr. Bankole Johnson

Today, Bankole Johnson is a board-certified psychiatrist and physician throughout Europe and the United States. He is a respected collegiate authority in his field at a leading university in the United States. Dr. Johnson is a leading authority on the effects of abused drugs, including alcohol, on the brain and how this affects behavior, especially that related to the commission of a crime. He is a national expert on the treatment of opioid addiction as well as on assessing medical malpractice and insurance claims. Dr. Johnson is also a national expert on the effects of diseases of the brain, mental illness, mental disorders, and aberrant behaviors on testamentary capacity. He also is a national expert on assessing disability as a result of mental disorders, mental illness, and alcohol and drug abuse.

Litigation Support - Dr. Johnson provides expert witness services for cases involving all aspects of Addiction Medicine (e.g., alcohol, cocaine, heroin, and other opioid and substance abuse) as well as diseases of the brain and brain disorders that affect mental capacity. He is experienced as an expert witness for medical malpractice, capital cases, and major crimes. Dr. Johnson's services are available to attorneys for plaintiff and defendant and include medical record review, written reports, depositions, and trial testimony when needed.

Areas of Expertise:

View Dr. Johnson's Consulting Profile.